Diploma in Computer Applications is a diploma course to study computer applications in depth. The course imparts scientific, practical and technical knowledge to its learners about various computer tools that are used in day to day life. The applications make tasks easier and provide ease of use. A computer programmer or operator are in high demand in all sectors of the market. They are used at shops to create a database for all the items with their serial numbers, price and quantity ratios. At schools, computer operators are required to sit behind the desk and manage the computer database for the school, list of all the students, their details, fee payment, enrollment details and all other activities of students are recorded in the computer. An efficient computer operator is needed to handle such large data.